Five metal strips, each 0.5 x 1.5-in. cross section, are
Chapter 4, Problem 4.55(choose chapter or problem)
Five metal strips, each 0.5 X 1.5-in. cross section, are bonded together to form the composite beam shown. The modulus of elasticity is \(30 \times 10^{6} \mathrm{psi}\) for the steel, \(15 \times 10^{6} \mathrm{psi}\) for the brass, and 10 3 106 psi for the aluminum. Knowing that the beam is bent about a horizontal axis by a couple of moment \(12 \text { kip-in. }\), determine (a) the maximum stress in each of the three metals, (b) the radius of curvature of the composite beam.
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